diff options
Diffstat (limited to 'sysdeps/x86_64/configure')
| -rw-r--r-- | sysdeps/x86_64/configure | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sysdeps/x86_64/configure b/sysdeps/x86_64/configure index 8674d14569..84f82c2406 100644 --- a/sysdeps/x86_64/configure +++ b/sysdeps/x86_64/configure @@ -54,6 +54,28 @@ fi config_vars="$config_vars config-cflags-avx512 = $libc_cv_cc_avx512" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking -mprefer-vector-width=128" >&5 +$as_echo_n "checking -mprefer-vector-width=128... " >&6; } +if ${libc_cv_cc_mprefer_vector_width+:} false; then : + $as_echo_n "(cached) " >&6 +else + if { ac_try='${CC-cc} -mprefer-vector-width=128 -xc /dev/null -S -o /dev/null' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + libc_cv_cc_mprefer_vector_width=yes +else + libc_cv_cc_mprefer_vector_width=no +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_mprefer_vector_width" >&5 +$as_echo "$libc_cv_cc_mprefer_vector_width" >&6; } +config_vars="$config_vars +config-cflags-mprefer-vector-width = $libc_cv_cc_mprefer_vector_width" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Intel MPX support" >&5 $as_echo_n "checking for Intel MPX support... " >&6; } if ${libc_cv_asm_mpx+:} false; then : |